Can VGAs PCI E 2.0/2.1 run in a PCI E 3.0 slot?


Ok, it's a dumb question but I really don't know the answer...

Can a VGA PCI E 2.0/2.1 run in a PCI E 3.0 slot?

Thank you!
6 answers Last reply
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  1. Yes, but PCIE 3.0/2.0/2.1 cards sometimes don't work with PCIE 1.0/1.1 slots unless the manufacturer provide a BIOS update support this.
  2. Hmm ok then.

    I have a VGA PCI E 2.1 in a PCI E 2.0 slot.
    I think it's performance wasn't maximised.

    Will it be at PCI E 3.0, right?
  3. Video cards do not fully fill up the bandwith of the Pci-e 2.0 slot or the Pci-e 2.1 slot so yes your card is maximized and it doesn't need the Pci-e 3.0 slot.
  4. Yes it. PCIE 2.1 is the same as PCIE 2.0
    PCI Express 2.1 supports a large proportion of the management, support, and troubleshooting systems planned for full implementation in PCI Express 3.0. However, the speed is the same as PCI Express 2.0.
  5. Best answer selected by bergami.
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